ToString.java example

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Lucee-master
/**
 *
 * Copyright (c) 2014, the Railo Company Ltd. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either 
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public 
 * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
 * 
 **/
/**
 * Implements the CFML Function tostring
 */
package lucee.runtime.functions.string;

import java.nio.charset.Charset;

import lucee.commons.io.CharsetUtil;
import lucee.commons.lang.StringUtil;
import lucee.runtime.PageContext;
import lucee.runtime.exp.PageException;
import lucee.runtime.ext.function.Function;
import lucee.runtime.net.http.ReqRspUtil;
import lucee.runtime.op.Caster;

public final class ToString implements Function {
	public static String call(PageContext pc ) {
		return "";
	}
	public static String call(PageContext pc , Object object) throws PageException {
		return call(pc,object,null);
	}
	public static String call(PageContext pc , Object object, String encoding) throws PageException {
		Charset charset;
		if(StringUtil.isEmpty(encoding)) {
			charset = ReqRspUtil.getCharacterEncoding(pc,pc.getResponse());
		}
		else
			charset = CharsetUtil.toCharset(encoding);
		
		if(object instanceof byte[]){
			if(charset!=null)
				return new String((byte[])object,charset);
			return new String((byte[])object);
		}
		return Caster.toString(object);
	}
}